Highlight • Lake
Hiking
5.0
(18)
Lac des Quirlies is a captivating glacial lake nestled at an elevation of 2,566 meters (8,418 feet) within the majestic Grandes Rousses massif in the Isère department of the French Alps. This high-mountain lake, situated to the southeast of the Pic de l'Étendard, is a remarkable natural feature known for its distinctive milky-blue waters, a result of fine clay particles suspended within. It lies in the upper Ferrand valley, fed by the receding Quirlies and Malatres glaciers, offering a unique glimpse into a dynamic, mineral landscape.
Visitors are consistently drawn to the dramatic, almost lunar scenery surrounding Lac des Quirlies, which stands in stark contrast to the verdant mountain pastures encountered on the approach. The panoramic views are a highlight, encompassing iconic peaks such as the Grand Sauvage, the Plateau d'Emparis, the Aiguilles d'Arves, and the distant La Meije. The visible remnants of the glacier and the lake's relatively recent formation provide a powerful, tangible experience of geological processes and the effects of climate change.
Planning a visit to Lac des Quirlies requires preparation for high-mountain conditions. The hiking terrain to Lac des Quirlies is challenging, transitioning from green valleys to a rugged, mineral environment. Sturdy hiking boots are essential, and layers of clothing are recommended due to changeable weather, even in summer. The most common starting point for hikes is Le Perron, a hamlet in Clavans-en-Haut-Oisans, where parking is typically available. Hikers should be aware that the water in the lake remains very cold, even in late summer, making extended wild swimming a bracing experience.
The best time to visit Lac des Quirlies for hiking is generally from late spring to early autumn, once the snow has melted and the trails are accessible. This period allows for optimal enjoyment of the high-altitude environment and the vibrant wildflowers in the lower sections. Hiking is the primary activity, with routes offering varied difficulty levels. The journey often includes passing impressive natural features like the Ferrand bridge waterfall, adding to the adventure.
While no specific route data is provided, many popular trails routes lead to Lac des Quirlies, often starting from Le Perron near Clavans-en-Haut-Oisans. These routes typically involve a significant elevation gain and can take several hours, making them suitable for experienced hikers. The journey through the Ferrand valley is a highlight, with numerous small streams and the impressive Ferrand bridge waterfall along the way.
The experience of reaching Lac des Quirlies is often described as stepping into another world. Hikers marvel at the stark beauty of the milky lake set against a backdrop of granite moraines and the visible glacier. The area is also known for its wildlife, with vultures sometimes spotted circling overhead, adding to the wild appeal. The unique atmosphere, shaped by the lake's glacial origins and its high elevation, creates truly standout moments for those who make the trek.
To fully explore the diverse hiking trails to Lac des Quirlies and plan your adventure, komoot offers a variety of routes. Whether you're looking for a challenging ascent to witness the glacier des Quirlies or a circular walk that takes in the stunning viewpoints, you can find detailed maps and information to suit your preferences. Discover the best time to visit and prepare for an unforgettable journey into this remarkable corner of the French Alps.
This Highlight is in a protected area
Please check local regulations for:
Parc national des Écrins (aire d’adhésion)
Tips
July 26, 2020
Hiking

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Nearby routes
Best routes near Lake Quirlies

4.9
(16)
208
hikers
14.7km
05:28
960m
960m
Hike the difficult Lac des Quirlies from Perron trail, gaining 3137 feet (956 metres) to a stunning glacial lake in Écrins National Park.
Details
Informations
Elevation 2,570 m
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Friday 26 June
20°C
9°C
44 %
Additional weather tips
Max wind speed: 6.0 km/h
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The hike to Lac des Quirlies is generally considered challenging due to significant elevation gain and varied terrain. It transitions from green mountain pastures to a rugged, mineral, high-mountain environment. Hikers should be prepared for a strenuous ascent, making it most suitable for experienced individuals.
The primary routes to Lac des Quirlies involve a substantial ascent and are not typically considered easy or suitable for young children. The terrain is rugged and requires good physical condition. For families with older, experienced children, shorter sections of the approach might be manageable, but reaching the lake itself is a demanding endeavor.
No, Lac des Quirlies is not accessible for visitors with limited mobility or wheelchairs. The trail involves steep, uneven terrain, significant elevation gain, and rocky paths, making it unsuitable for such access.
While specific regulations for dogs are not detailed, high-mountain environments, especially those within Natura 2000 classified areas like Lac des Quirlies, often have restrictions or require dogs to be kept on a leash to protect wildlife and the fragile ecosystem. It's advisable to check local signage or official park guidelines before bringing a dog.
The most common starting point for hikes to Lac des Quirlies is Le Perron, a hamlet in Clavans-en-Haut-Oisans. Public transport options directly to Le Perron are very limited. Visitors typically reach Clavans-en-Haut-Oisans by car. It's recommended to check local bus schedules from larger towns like Grenoble or Bourg d'Oisans to nearby villages, but a private vehicle is generally necessary for convenient access.
The water in Lac des Quirlies is extremely cold, even in late summer, due to its glacial origins. One visitor noted the water temperature was 4°C (39°F) at the end of July. While some brave individuals may take a quick dip, extended wild swimming is not recommended due to the risk of hypothermia and the cryogenic effect on the body.
Lac des Quirlies is in a remote, high-mountain environment. There are no cafes, pubs, or direct accommodation options at the lake itself. The nearest amenities would be found in the small hamlets and villages in the valley, such as Clavans-en-Haut-Oisans, or larger towns in the region like Bourg d'Oisans, which offer guesthouses, restaurants, and shops.
Beyond the milky-blue lake itself, the hike offers several notable features. You'll traverse the picturesque Ferrand valley, encounter numerous small streams, and pass the impressive Ferrand bridge waterfall. As you ascend, the landscape dramatically shifts from green pastures to a mineral, almost lunar environment, with panoramic views of peaks like the Grand Sauvage, Plateau d'Emparis, Aiguilles d'Arves, and La Meije. The visible remnants of the receding Quirlies glacier also provide a powerful insight into climate change.
Winter hiking to Lac des Quirlies is extremely challenging and generally not recommended for the average hiker. The high altitude means heavy snow cover, avalanche risks, and extremely cold temperatures. It would require specialized winter mountaineering equipment, experience, and knowledge of snow conditions. The best time to visit is typically from late spring to early autumn, once the snow has melted.
Parking at Le Perron, the main starting point, can fill up quickly, especially during peak season (summer) and on weekends. To ensure you find a spot, it is strongly recommended to arrive early in the morning, ideally before mid-morning. Carpooling is also encouraged to reduce congestion.
The high-mountain environment around Lac des Quirlies is home to various alpine wildlife. Vultures are sometimes spotted circling overhead, adding to the wild atmosphere. Other potential sightings include marmots, chamois, and ibex, though they are often shy. The area's Natura 2000 classification highlights its rich and fragile biodiversity.